Damocles is the second game in the Mercenary-series. This time the game starts at planet Eris, and the player can explore a whole solar system, the Gamma system, with ten planets and some moons. The aim of the game is to stop the comet Damocles that will hit Eris within four hours. Where is five ways to complete the game. The graphic is, like the first game, vector graphics, but this time solid.